Design of CMOS OTAs for Low-Voltage and Low-Power Application

  • Authors:

  • Hisashi Tanaka;Koichi Tanno;Hiroki Tamura;Kenji Murao

  • Affiliations:

  • -;-;-;-

  • Venue:
  • IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  • Year:
  • 2008

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Abstract

In this letter, two OTAs with MOSFETs operating in the weak inversion region are proposed. One of the OTAs uses the exponential-logarithm transformation algorithm. Furthermore, the other realizes the high-linearity characteristics due to a small fluctuation of the common-terminal voltage of differential pair. The performance of the proposed OTAs was confirmed by HSPICE simulation.